I just finished posting about 50+ new hotel room keys on my Delcampe store. Here's a link to the room keys listed, there's over 2,200 cards now. Latest additions are first in the list but there a few generic common hotel keys first before the casino cards.

https://www.delcampe.net/en_GB/collectables/search?seller_ids%5B0%5D=554914&categories%5B0%5D=20169